Microphone mounting stand



FIG. 1 is a front, top and left side perspective view of a microphone mounting stand showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a bottom plan view. 

The ornamental design for a microphone mounting stand, substantially as shown. 